It has been a busy fall for JanRain. The Portland, OR-based software startup is announcing today it has closed a $3.25 million Series A financing round led by West Coast firm DFJ Frontier. RPM Ventures and Anthem Venture Partners also participated in the round.. The company also has been signing up new corporate customers for its flagship product, which lets websites register visitors so they can sign on more easily using secure, universal logins, instead of needing a separate password for every site.